/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package cn.icanci.loopstack.pcc.model;

import java.util.List;
import java.util.Set;

import com.google.common.collect.Lists;
import com.google.common.collect.Sets;

/**
 * 服务并行调用组
 * 
 * @author icanci
 * @since 1.0 Created in 2024/08/02 15:08
 */
@SuppressWarnings("all")
public abstract class SetMetaCellGroup<R> {
    private final List<MetaCell<?, ?, R>> metaCells;
    private final Set<String>             groupCellKeySet;

    public SetMetaCellGroup() {
        this.metaCells = Lists.newArrayList();
        this.groupCellKeySet = Sets.newHashSet();
    }

    public List<MetaCell<?, ?, R>> getMetaCells() {
        return metaCells;
    }

    /**
     * 向元组中追加Cell
     * 
     * @param metaCell metaCell
     * @return 返回是否追加成功
     */
    public boolean addMetaCell(MetaCell<?, ?, R> metaCell) {
        if (metaCell == null) {
            return false;
        }

        if (groupCellKeySet.contains(metaCell.uniqueKey())) {
            return false;
        }
        metaCells.add(metaCell);
        return true;
    }

    /**
     * 返回元组聚合数据
     * 
     * @return 返回元组聚合数据
     */
    public abstract Set<R> adapterCells();
}
